15/y=40/20

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Solution for 15/y=40/20 equation: 



15/y=40/20

We move all terms to the left:

15/y-(40/20)=0



Domain of the equation: y!=0

y∈R



We add all the numbers together, and all the variables

15/y-2=0

We multiply all the terms by the denominator


-2*y+15=0

We add all the numbers together, and all the variables

-2y+15=0

We move all terms containing y to the left, all other terms to the right

-2y=-15

y=-15/-2

y=7+1/2

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